What is atmosphere? Draw a neat figure showing the various layer of atmosphere.
The thick layer of air that surrounds the earth'scrust is called atmosphere.
We should avoid the production and use of CFCs. Why?
As we know, the production and use of CFCs increases the amount of CFC in atmosphere that react with ozone and deplete the layer of ozone. So, to prevent the depletion of ozone layer, the production and use of CFCs must be avoided.